Question

Функцiю задана формулою y = -2x+71) x=6; y=?2) y=-9; x=?

Answer 1

Ответ:

у = -5 у = -11. ответ вот такой

У = (-2) ×6 +7. У = -12 +7. У = -5

У = (-2) × 9 +7 У = -18 +7. У = -11

Answer 2

1. To find the value of y when x = 6, we can substitute the value of x into the given equation:

y = -2x + 7 y = -2(6) + 7 y = -12 + 7 y = -5

Therefore, when x = 6, y = -5.

2. To find the value of x when y = -9, we can rearrange the equation to solve for x:

y = -2x + 7 -9 = -2x + 7

Now, let's isolate x:

-2x = -9 - 7 -2x = -16

Divide both sides by -2 to solve for x:

x = -16 / -2 x = 8

Therefore, when y = -9, x = 8.